Blind Channel Estimation
Performance Comparison of Massive MIMO & Conventional MIMO using Blind Channel Estimation Technique
... ABSTRACT: Multiple-Input Multiple-Output (MIMO) technology is becoming nature for wireless communications. This Paper presents to the Blind channel estimation of Massive MIMO, And it has been ...
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Comparison of Semi Blind Channel Estimation Techniques with Old Techniques for MIMO OFDM Systems
... effective channel estimation is ...the channel these bits are called ...the estimation error variance bounds of the pilot-based and semi-blind based channel estimators for a ...
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Statistical covariance-matching based blind channel estimation for zero-padding MIMO–OFDM systems
... based blind channel estimation scheme for zero-padding (ZP) multiple- input multiple-output (MIMO)–orthogonal frequency division multiplexing (OFDM) ...Toeplitz channel matrix structure, it is ...
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Blind channel estimation using redundant precoding : new algorithms, analysis, and theory
... ported blind block synchronization algorithms, we find that block synchronization algorithms can be connected with existing blind channel estimation/equalization algorithms that exploit matrix ...
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Maximum Likelihood Blind Channel Estimation for Space Time Coding Systems
... with blind channel estimation ...the estimation of channel in- formation to improve performance of space-time coded sys- tems operating on fading channels [4, 5, 6, ...of blind ...
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Code Combination for Blind Channel Estimation in General MIMO-STBC Systems
... a blind channel estimation technique for multiple-input multiple-output (MIMO) space-time block coded (STBC) systems has been ...the channel, up to a real scalar, within a finite number of ...
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Transmit Delay Structure Design for Blind Channel Estimation over Multipath Channels
... the channel state information generally needs to be estimated for all possible paths between the transmitter and receiver antenna ...Training-based channel estimation may result in considerable ...
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Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm
... – Channel Estimation (CE) in multicarrier system especially in Orthogonal Frequency Division Multiplexing (OFDM) systems has become an important technique in wireless communication to reduce the overall ...
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A New Approach to Semi blind Channel Estimation for MIMO Wireless Communication System
... in channel estimation of MIMO ...MIMO channel matrix is decomposed into whitening and rotation ...using blind symbols and the rotation matrix is estimated using few orthogonal pilot ...semi ...
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BLIND CHANNEL ESTIMATION AND MULTIUSER DETECTION FOR MULTI-RATE CDMA COMMUNICATIONS
... to blind chan- nel estimation and multiuser detection for multi-rate ...the channel is often required to be time-invariant during this long observation period, which potentially makes these algo- ...
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Blind Channel Estimation for Space Time Coded WCDMA
... Blind estimation or detection algorithms have been pro- posed for space-time coded CDMA ...a blind channel estimation technique based on the Capon re- ceiver or the minimum output ...
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Novel Semi blind Channel Estimation Schemes for Rayleigh Flat Fading MIMO Channels
... semi-blind channel estimation and proposed novel semi-blind channel estimation techniques for Rayleigh flat fading MIMO ...100 blind data symbols among 20,000 pair ...
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Space Time Coded MC CDMA: Blind Channel Estimation, Identifiability, and Receiver Design
... Tx1 and Tx2, respectively. A trade-off is often made be- tween the bandwidth allocated to an MC-CDMA system and the processing gain P such that Q is an integer mul- tiple of P [11]. Here, we assume that P = Q to simplify ...
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Review On Adaptive Blind Channel Estimation Using LMS Based Techniques In OFDM Systems
... performance. Channel estimation is utilized to identify the channel state information in order to understand the channel ...receiver. Channel Estimation (CE) methods estimates ...
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Blind Channel Estimation and Equalization for Multiple FIR Channels
... freedom for eigenvalue comparison. The drawback of us- ing big dimension is that the required number of sam- ples will be big too for statistical convergence of the data correlation matrix. Most EVD-based algorithms also ...
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Semi Blind and Group Blind Multiuser Detection for the MC CDMA Uplink
... A short cyclic prefix, rather than differential coding, isused for removing the phase ambiguity imposed by the blind channel estimation scheme, and the Akaike information theoretic crite[r] ...
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A new blind algorithm for channel estimation in OFDM based amplify and forward two way relay networks
... For blind channel estimation methods, earlier works require either higher order statistics (HOS) of the received data [18] or over-sampling at the receiver ...to channel order overestimation ...
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Channel Estimation based on Kalman Filtering with BER Reduction in MIMO OFDM Systems
... present channel estimation methods are divided into two types: based on the pilots and the second is the blind channel estimation which does not use ...pilots. Blind ...
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An improved method of mimo ofdm channel estimation using chaotic pilot sequence
... other channel impairments with the available power and ...the channel state information accurately and promptly for coherent detection of information symbols and channel ...wireless channel ...
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An efficient pilot carrier channel estimation using Genetic Algorithm in MIMO OFDM system
... effect, channel estimation errors and bit error rate performance were ...Many channel estimation techniques are described by various researchers in MIMO-OFDM ...based, blind and ...
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